package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 课堂练习，实现用户登录功能
 */
public class JDBCDemo8 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"欢迎登陆","登录");
        System.out.println(userInfo);
        try (
                Connection conn = DBUtil.getConnection();
        ){
            Statement statement = conn.createStatement();
            String sql = "SELECT id,username,password,nickname " +
                         "FROM userinfo " +
                         "WHERE username='"+userInfo.getUsername()+"' " +
                         "AND password='"+userInfo.getPassword()+"'";
            System.out.println(sql);
            ResultSet rs = statement.executeQuery(sql);
            if(rs.next()){
                System.out.println("登录成功");
            }else{
                System.out.println("登录失败");
            }

        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}
